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Application of formal methods to railway signalling-a case study

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2 Author(s)
Cullyer, J. ; Dept. of Eng., Warwick Univ., Coventry, UK ; Wai Wong

Describes techniques for applying formal mathematical methods to the specification and design of railway signalling and interlocking equipment which is implemented using microprocessors and real-time software. The results have been obtained by combining the specification language Higher-Order Logic (HOL) with the disciplined use of annotated subsets of the computer programming languages such as Ada. A global framework has been developed both for computer-aided design (CAD) tools for railway interlocking and for the future development of the operational software for practical signalling systems

Published in:

Computing & Control Engineering Journal  (Volume:4 ,  Issue: 1 )